secretary of state john kerry made a show of support in kiev. >> today a tense standoff with russia. secretary of state johndery made tribute to revolutionary who's helped put the leadership in power the visit is a challenge to vladimir putin, today told reporters his invasion into southern ukraine was humanitarian. >> it's not appropriate to invade a country and dictate what you're trying to achieve >> the criticism fallen on deaf ears, putin refuses to retreat from crimea. russian war ships patrolled the coast. it's a powder keg. rush soldiers today fired warning shots at these troops who later backed up. in crimea most people cheered the intervention but u.s. and nato say it's a violation of international law. >> president putin seems to have a different set of lawyers. i don't think it's fooling anyone. >> the u.s. is offering aid to prop up the new government, basically broke, unable to kick out its occupiers. >> cold war style showdown taking a turn when secretary kerry meets face-to-face with russian foreign minister in paris. >> the prosecution's first witness to the oscar pi